Lexmark C 746 Service Manual

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52 Flash Full • Select Continue to clear the message and continue printing.
Note: Downloaded fonts and macros not previously stored in flash memory are deleted.
• Delete fonts, macros, and other data stored in flash memory.
• Install a larger capacity flash memory card.
• If this does not fix the problem, replace the system board. See “System board removal” 
on page 4-155.
53 Unformatted Flash  • Select Continue to clear the message and continue...

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57 Configuration 
Change
Held Jobs May Not 
Be RestoredConfiguration changes may be:
• Code version changes
• Paper handling options removed
• The disk was installed from a different model or speed of printer.
58 Too Many Flash 
OptionsToo many flash options are installed. To continue:
1. Turn off and unplug the printer.
2. Remove the excess flash memory.
3. Plug in the printer, and turn it on.
If this does not fix the problem, replace the system board. See...

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80 Fuser Life Warning • Select Continue to clear the message and continue printing.
•Show Me, View Supplies, and Tell Me More displays additional information.
• Order a replacement fuser. When print quality is reduced, install the new fuser using the 
instruction sheet that comes with the replacement fuser.
Note: Be sure to reset the fuser count. See “Reset Fuser Cnt” on page 3-28.
• If this does not fix the problem, replace the system board. See...

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82 Waste Toner Missing • Insert the waste toner box.
• Inspect the top cover camshaft assembly for proper operation. When the top access 
cover is closed, the printer should mechanically interlock.
• Check the cable in connector JBUMP1on the system board for defects and proper 
connection. If the cable wiring or the cable connection is defective, replace the bump 
multipurpose feeder/duplex motor assembly. See “Multipurpose feeder (MPF)/duplex 
motor...

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84  PC Unit 
Missing• Scroll down the operator panel to see if the printer is showing that all four of the PC units 
are missing. If so, check the HVPS cable between the system board and the HVPS. 
Ensure that the cable is not plugged in backwards on the HVPS. Disconnect and 
reconnect the cable to make sure there is good contact.
• Insert or reinstall the specified photoconductor unit and see if problem clears. See 
“Photoconductor unit removal” on...

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84  PC Unit Near 
Life Warning• Select Ignore to clear the message and continue printing.
• Order the specified photoconductor unit. When print quality is reduced, install the new 
specified photoconductor unit using the instruction sheet that comes with the replacement 
specified photoconductor unit.
• If the problem persists, replace the system board. See “System board removal” on 
page 4-155.
Note: Make sure to reset the photoconductor unit counter(s)....

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Error codes and messages
Error code  Description  Action 
1xx service error codes
110.01–110.07Mirror 
Motor ErrorA mirror motor error has occurred. • POR the printer. 
• If the error message persists, go to “110.xx—
Mirror motor service check” on page 2-45.
111.01–111.02 
Printhead ErrorAn error has occurred in the cyan 
channel of the printhead.• POR the printer. 
• If the error message persists, go to “111.xx, 
112.xx, 113.xx, and 114.xx—Printhead...

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146.01–146.08 
Motor ErrorDuplex motor has failed. • POR the printer. 
• If the error message persists, go to “146.xx, 
148.xx—Motor (MPF/duplex) error service 
check” on page 2-55.
147.09–147.25
Motor ErrorAligner motor has failed. • POR the printer. 
• If the error message persists, go to “147.xx, 
920.01—POST (power-on self test) aligner 
error service check” on page 2-57.
148.01–148.08
Motor ErrorThe multipurpose feeder motor has 
failed.• POR the...

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168.xx
Motor ErrorHCIT elevator motor error. • POR the printer.
• If the error message persists, go to “168.xx—
Motor (HCIT elevator) error service check” 
on page 2-64. 
199.xx
Software ErrorUnrecoverable RIP software error. • POR the printer.
• If the error message persists with new code, 
replace the system board. See “System board 
removal” on page 4-155.
2xx paper jam messages
200.02 Input sensor is made when printer 
tries to print from an idle...

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200.22 Pick (tray 1) motor stalled.
Possible causes:
• Faulty cable/connector
• Faulty pick motor
• Faulty system board• Check for anything in the paper path that might 
cause the paper to jam. 
• If clearing a paper jam does not fix the problem, 
go to “140.xx, 920.02—Autocomp (tray 1) 
motor error service check” on page 2-49.
200.25 Input sensor is made when tray 1 is 
installed.
Possible causes:
• Improper placement of paper in 
tray 1
• Damaged input...